JEE Mains · Chemistry · STD 11 - 9. Hydricarbon
Polysubstitution is a major drawback in
- A Friedel Craft’s alkylation
- B Reimer Tiemann reaction
- C Acetylation of aniline
- D Friedel Craft’s acylation
Answer & Solution
Correct Answer
(A) Friedel Craft’s alkylation
Step-by-step Solution
Detailed explanation
Polysubstitution is a major drawback of Friedal craft’s alkylation. It is so because activating behaviour of benzene ring increases with increase in number of alkyl group on benzene ring
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Chemistry
- The number of pentagons in \(C_{60} \) and trigons (triangles) in white phosphorus, respectively, areJEE Mains 2019 Hard
- The de Broglie wavelength of a car of mass \(1000\, kg\) and velocity \(36\, km/hr\) isJEE Mains 2013 Medium
- Choose the correct colour of the product for the following reaction.
JEE Mains 2023 Hard -
The correct sequence of reagents for the conversion of X to Y is :JEE Mains 2026 Easy - The molecular formula of second homologue in the homologous series of mono carboxylic acids is___________.JEE Mains 2024 Hard
- Match List \(I\) with List \(II\) :-
Choose the correct answer from the options given below :-सूची-\(I\) coordination compounds सूची-\(II\) numbar of unpaired electrons \(A\) \(\left[ Cr ( CN )_6\right]^{3-}\) \(I\) \(0\) \(B\) \(\left[ Fe \left( H _2 O \right)_6\right]^{2+}\) \(II\) \(3\) \(C\) \(\left[ Co \left( NH _3\right)_6\right]^{3+}\) \(III\) \(2\) \(D\) \(\left[ Ni \left( NH _3\right)_6\right]^{2+}\) \(IV\) \(4\) JEE Mains 2023 Medium
More PYQs from JEE Mains
- Two forces \(\vec{F}_1\) and \(\vec{F}_2\) are acting on a body. One force has magnitude thrice that of the other force and the resultant of the two forces is equal to the force of larger magnitude. The angle between \(\vec{F}_1\) and \(\overrightarrow{\mathrm{F}}_2\) is \(\cos ^{-1}\left(\frac{1}{\mathrm{n}}\right)\). The value of \(|\mathrm{n}|\) is __________.JEE Mains 2024 Hard
- Two identical parallel plate capacitors, of capacitance \(C\) each, have plates of area \(A\), separated by a distance \(d\). The space between the plates of the two capacitors, is filled with three dielectrics, of equal thickness and dielectric constants \(K_1\) , \(K_2\) and \(K_3\) . The first capacitor is filled as shown in fig. \(I\), and the second one is filled as shown in fig. \(II\). If these two modified capacitors are charged by the same potential \(V\), the ratio of the energy stored in the two, would be ( \(E_1\) refers to capacitor \((I)\) and \(E_2\) to capacitor \((II)\))
JEE Mains 2019 Hard - Let \(y=y(x)\) be the solution of the differential equation \(\operatorname{cosec}^{2} x d y+2 d x=(1+y \cos 2 x) \operatorname{cosec}^{2} x d x\), with \(y\left(\frac{\pi}{4}\right)=0\). Then, the value of \((y(0)+1)^{2}\) is equal to :JEE Mains 2021 Hard
- A wire of length \(2\,L\) is made by joining two wires \(A\) and \(B\) of same lengths but different radii \(r\) and \(2r\) and made of the same material. It is vibrating at a frequency such that the joint of the two wires forms a node. If the number of antinodes in wire \(A\) is \(p\) and that in \(B\) is \(q\) then the ratio \(p : q\) is
JEE Mains 2019 Hard - The correct observation in the following reactions is : Sucrose \(\xrightarrow[{Cleavage\,\,(Hydrolysis)}]{{Gly\cos idic\,bond}}A + B\xrightarrow[{{\text{reagent}}}]{{{\text{Seliwanoff 's}}}}?\)JEE Mains 2020 Medium
- The reaction of propene with \(HOCl (Cl_2 + H_2O)\) proceeds through the intermediate :JEE Mains 2016 Hard